Remove SkImageRef and related functionality.

src/images/SkImageRef_ashmem.h

-
-/*
- * Copyright 2011 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-#ifndef SkImageRef_ashmem_DEFINED
-#define SkImageRef_ashmem_DEFINED
-
-#include "SkImageRef.h"
-
-struct SkAshmemRec {
-    int     fFD;
-    void*   fAddr;
-    size_t  fSize;
-    bool    fPinned;
-};
-
-class SkImageRef_ashmem : public SkImageRef {
-public:
-    SkImageRef_ashmem(const SkImageInfo&, SkStreamRewindable*, int sampleSize = 1);
-    virtual ~SkImageRef_ashmem();
-
-    SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkImageRef_ashmem)
-
-protected:
-    SkImageRef_ashmem(SkFlattenableReadBuffer&);
-    virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE;
-
-    virtual bool onDecode(SkImageDecoder* codec, SkStreamRewindable* stream,
-                          SkBitmap* bitmap, SkBitmap::Config config,
-                          SkImageDecoder::Mode mode);
-
-    virtual bool onNewLockPixels(LockRec*) SK_OVERRIDE;
-    virtual void onUnlockPixels() SK_OVERRIDE;
-
-private:
-    void closeFD();
-
-    SkColorTable* fCT;
-    SkAshmemRec fRec;
-
-    typedef SkImageRef INHERITED;
-};
-
-#endif